CN106632900A - Method for preparing functional heating patch - Google Patents
Method for preparing functional heating patch Download PDFInfo
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- CN106632900A CN106632900A CN201611030347.6A CN201611030347A CN106632900A CN 106632900 A CN106632900 A CN 106632900A CN 201611030347 A CN201611030347 A CN 201611030347A CN 106632900 A CN106632900 A CN 106632900A
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- Prior art keywords
- gelatin
- heating
- heating patch
- parts
- patch
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/10—Alkyl or cycloalkyl ethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0225—Compresses or poultices for effecting heating or cooling connected to the body or a part thereof
- A61F2007/0226—Compresses or poultices for effecting heating or cooling connected to the body or a part thereof adhesive, self-sticking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
- A61F2007/036—Fuels
- A61F2007/038—Carbon or charcoal, e.g. active
Abstract
The invention relates to a method for preparing a functional heating patch and belongs to the technical field of heating patches. The preparation method comprises the following steps: dissolving gelatin in water, and cross-linking dissolved gelatin with acrylic acid through a cross-linking agent so as to obtain modified water-absorbing gelatin; modifying corn starch by utilizing epoxy chloropropane so as to obtain modified starch; loading the modified starch, chitosan dissolved in acetic acid solution, the modified water-absorbing gelatin, polyvinyl alcohol and other substances on micro-bead silica gel so as to obtain super absorbent composite micro-bead silica gel; finally, mixing and packaging the super absorbent composite micro-bead silica gel with reduced iron powder, activated carbon powder, tourmaline powder and other substances, thereby obtaining the functional heating patch. According to the functional heating patch prepared by the method disclosed by the invention, the problem that the traditional heating patch produces a lot of water vapor in the using process and then causes harm to human skin is solved, and the functional heating patch has health effects of promoting blood circulation to remove meridian obstruction and the like.
Description
Technical field
The present invention relates to a kind of preparation method of functional form heating patch, belongs to heating patch preparing technical field.
Background technology
Heating patch, is also called heating note, warming patch, warming sheet, heating bag etc., according to the difference using position, divides again
For hand warmer pocket, warm hand bag, warm foot patch, footmuff etc..Can hold in hand when using, or be affixed on the shoulder of human body, back, waist,
Foot and associated joint position；Just need only can generate heat at once toward the patch of corresponding site one when using, the duration is little 12～20
When, cold winter it is outgoing prevent from frostbite from dispeling cold having good effect, easy to carry, lasting stability of generating heat.Heating patch
Reaction principle is to accelerate oxidation reaction speed using galvanic cell, and chemical energy is changed into heat energy.In order that temperature can continue more
Long, product is incubated using mineral material vermiculite.Because product can not react sack material will be very using before
Especially, by raw material layer, gelatin layer and non-woven bag are constituted.Non-woven bag is using micro-porous permeable film production.It must have one
The air-locked gelatin layer of outer bag one of individual routine.When in use, remove outer bag, allow inner bag i.e. non-woven bag to be exposed in air, it is empty
Oxygen in gas enters the inside by ventilated membrane.The time of heat release and temperature are exactly to be controlled by the oxygen transmission rate of ventilated membrane
's.If oxygen flow is too fast, heat just bleeds off quickly, and it is also possible to scalded skin.It is just not assorted if oxygen flow is too slow
Temperature.Using rear for dark brown solid, wherein carbonaceous powder, solid sodium chloride, Fe2O3Solid and the salt containing magnalium.It is warm
Raw material layer in out pocket can in atmosphere 12～20 hours in the presence of oxygen in continuously discharge heat, this reaction
Process from one open it is vacuum-packed when from the beginning of.
Good heating patch first has to accomplish that heating temp is moderate, temperature equalization；Secondly, fever time will reach sign and want
Ask；Material is not most importantly fallen in use, it is smooth docile.At present, the heating patch on market in use can
Many steam are produced, these steam can moisten clothing footgear in winter, and the skin of people is in the case where the hot moisture of more than ten hour shrouds
It is likely to that the symptoms such as fash and allergy occur, in addition, the warm patch general shelf-life is more than 3 years, in storage life, because
Air and spontaneous heating material are separated with hermetic bag, so the spontaneous heating material not occurred in oxidation reaction, but hermetic bag is
Containing more juicy, it is unfavorable for the long-term preservation of these materials.
The content of the invention
The technical problem to be solved：Many steam can be produced in use for current heating patch,
So that human body skin shrouds the lower problem for fash and allergic symptom occur in damp-heat, the present invention is first dissolved in gelatin after water,
It is crosslinked with acrylic acid by crosslinking agent, modified water absorbent gelatin is obtained, cornstarch is carried out followed by epoxychloropropane
It is modified, obtain modified starch, and by modified starch and the shitosan, the modified water absorbent gelatin that are dissolved in acetum, polyvinyl alcohol etc.
Material composite load is obtained high water absorption complex microsphere silica gel on microsphere silica gel, finally by its with reduced iron powder, activated carbon powder,
The materials such as tourmaline powder carry out hybrid package, you can prepare functional form heating patch.Functional form heating prepared by the present invention
Patch solves traditional heating patch and can produce many steam in use, can produce asking for harm to the skin of human body
Topic, while having promoting blood circulation and removing obstruction in channels grade for health-care effect.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
（1）10～20g gelatin is weighed, in adding 100～200mL deionized waters, 20～30min is stirred with 300～400r/min,
Gelatin solution is obtained, then weighs 40～80g NaOH, in adding 100～200mL acrylic acid, with 300～400r/min 20 are stirred
～30min, in being subsequently added gelatine solution, adds 1.5～3.0g potassium peroxydisulfates, and 10～20mL mass fractions are 1%N,
N- methylene-bisacrylamides, continue to stir after 10～15min, obtain mixed liquor；
（2）Above-mentioned mixed liquor is reacted after 5～10min with 300W heating using microwaves, standing is cooled to room temperature, and it is immersed in 500～
1～2h in 800mL absolute ethyl alcohols, then continues at centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box,
At 60～70 DEG C, it is dried to constant weight, obtains modified water absorbent gelatin, it is standby；
（3）30～40g cornstarch is weighed, in adding 50～80mL deionized waters, under 30～35 DEG C of waters bath with thermostatic control, with 300
～400r/min stirring 20～30min of gelatinization, add 3～4mL epoxychloropropane, are continuously heating to 35～40 DEG C, and continue
5～6h of stirring reaction, in then continuing at drying box, is dried 3～5h at 70～80 DEG C, obtains modified starch；
（4）Weigh 5～8g shitosans, add 100～120mL mass fractions to be in 1% acetum, and with 300～400r/min
15～20min of stirring, adds 20～30g microsphere silica gels, the above-mentioned modified starches of 20～30g, 3～5g steps（2）What is prepared changes
Property water suction gelatin, 10～15mL polyvinyl alcohol, under 80～85 DEG C of waters bath with thermostatic control, continue 2～3h of agitating heating, be cooled to room
Temperature, subsequently filters, and filter residue is placed in drying box, at 105～110 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silicon
Glue；
（5）Count by weight, weigh 20～30 parts of reduced iron powders, 30～40 parts of activated carbon powders, 3～5 parts of above-mentioned high water absorptions are answered
Microsphere silica gel is closed, 10～20 parts of tourmaline powders, 5～10 parts of wormwood powder, 0.1～0.3 part of Moschus loads hermetic bag after being well mixed
In, and the ventilative pressure sensitive adhesive layer of one layer of bonding is closed in one face pressure, obtain functional form heating patch.
The application process of the present invention：The protection lining paper that functional form heating patch prepared by the present invention has glued membrane one side is peeled off
Get off, being attached to needs the underwear outer layer of heating or hot compress position, pastes shoulder, back, waist, foot that position can be human body
And associated joint position, after complete, clothing is never stained by gently tearing from clothes.After testing, prepared by the present invention
Functional form heating patch heating continuing time is 17～25h, and water-taking efficiency is high, and the skin of human body will not be damaged, and has
There is health-care effect promoting blood circulation and removing obstruction in channels of Denging.
Compared with additive method, Advantageous Effects are the present invention：
（1）Functional form heating patch heating temp prepared by the present invention is moderate, temperature equalization, and heating continuing time is 17～25h；
（2）Functional form heating patch water-taking efficiency prepared by the present invention is high, and the skin of human body will not be damaged, and with work
The health-care effects such as blood dredging collateral.
Specific embodiment
Weigh 10～20g gelatin first, in adding 100～200mL deionized waters, with 300～400r/min stirrings 20～
30min, obtains gelatin solution, then weighs 40～80g NaOH, in adding 100～200mL acrylic acid, with 300～400r/min
20～30min of stirring, in being subsequently added gelatine solution, adds 1.5～3.0g potassium peroxydisulfates, 10～20mL mass fractions
For 1%N, N- methylene-bisacrylamides, continue to stir after 10～15min, obtain mixed liquor；By above-mentioned mixed liquor 300W microwaves
After 5～10min of heating response, standing is cooled to room temperature, and is immersed in 1～2h in 500～800mL absolute ethyl alcohols, then continues at
Centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box, at 60～70 DEG C, is dried to constant weight, obtains modified suction
Water gelatin, it is standby；30～40g cornstarch is weighed again, in adding 50～80mL deionized waters, in 30～35 DEG C of waters bath with thermostatic control
Under, with 300～400r/min stirring 20～30min of gelatinization, 3～4mL epoxychloropropane is added, it is continuously heating to 35～40
DEG C, and continue 5～6h of stirring reaction, and in then continuing at drying box, 3～5h is dried at 70～80 DEG C, obtain modified starch；Then
Weigh 5～8g shitosans, add 100～120mL mass fractions to be in 1% acetum, and 15 are stirred with 300～400r/min
～20min, adds 20～30g microsphere silica gels, the above-mentioned modified starches of 20～30g, modified water absorbent gelatin prepared by 3～5g, and 10
～15mL polyvinyl alcohol, under 80～85 DEG C of waters bath with thermostatic control, continues 2～3h of agitating heating, is cooled to room temperature, subsequently filters, will
Filter residue is placed in drying box, at 105～110 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silica gel；By weight finally
Number meter, weighs 20～30 parts of reduced iron powders, 30～40 parts of activated carbon powders, 3～5 parts of above-mentioned high water absorption complex microsphere silica gel, 10～
20 parts of tourmaline powders, 5～10 parts of wormwood powder, 0.1～0.3 part of Moschus is fitted into hermetic bag after being well mixed, and in one face pressure
The ventilative pressure sensitive adhesive layer of one layer of bonding is closed, functional form heating patch is obtained.
Example 1
20g gelatin is weighed first, in adding 200mL deionized waters, 20min is stirred with 300r/min, obtain gelatin solution, then weigh
40g NaOH, in adding 100mL acrylic acid, with 300r/min 20min is stirred, and in being subsequently added gelatine solution, then is added
Enter 1.5g potassium peroxydisulfates, 10mL mass fractions are 1%N, and N- methylene-bisacrylamides continue to stir after 10min, obtain mixed liquor；
Above-mentioned mixed liquor is reacted after 5min with 300W heating using microwaves, standing is cooled to room temperature, and is immersed in 500mL absolute ethyl alcohols
1h, then continues at centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box, at 60 DEG C, is dried to constant weight,
Modified water absorbent gelatin is obtained, it is standby；30g cornstarch is weighed again, in adding 50mL deionized waters, under 30 DEG C of waters bath with thermostatic control, with
300r/min stirring gelatinization 20min, add 3mL epoxychloropropane, are continuously heating to 35 DEG C, and continue stirring reaction 5h, with
After proceed in drying box, be dried 3h at 70 DEG C, obtain modified starch；Then 5g shitosans are weighed, addition 100mL mass fractions are
In 1% acetum, and 15min is stirred with 300r/min, add 20g microsphere silica gels, the above-mentioned modified starches of 20g, prepared by 3g
Modified water absorbent gelatin, 10mL polyvinyl alcohol under 80 DEG C of waters bath with thermostatic control, continues agitating heating 2h, is cooled to room temperature, subsequent mistake
Filter, filter residue is placed in drying box, at 105 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silica gel；By weight finally
Number meter, weighs 20 parts of reduced iron powders, 30 parts of activated carbon powders, 3 parts of above-mentioned high water absorption complex microsphere silica gel, 10 parts of tourmaline powders, 5 parts
Wormwood powder, 0.1 part of Moschus, is fitted into hermetic bag after being well mixed, and closes the ventilative pressure sensitive adhesive layer of one layer of bonding in one face pressure,
Obtain functional form heating patch.
The protection lining paper that functional form heating patch prepared by the present invention has glued membrane one side is stripped down, being attached to needs heating
Or the underwear outer layer at hot compress position, the shoulder that position is human body is pasted, it is never dirty by gently tearing from clothes after complete
Damage clothing.After testing, the functional form heating patch heating continuing time that prepared by the present invention is 25h, and water-taking efficiency is high, will not be to people
The skin of body is damaged, and with the health-care effect such as promoting blood circulation and removing obstruction in channels.
Example 2
10g gelatin is weighed first, in adding 100mL deionized waters, 30min is stirred with 400r/min, obtain gelatin solution, then weigh
80g NaOH, in adding 200mL acrylic acid, with 400r/min 30min is stirred, and in being subsequently added gelatine solution, then is added
Enter 3.0g potassium peroxydisulfates, 20mL mass fractions are 1%N, and N- methylene-bisacrylamides continue to stir after 15min, obtain mixed liquor；
Above-mentioned mixed liquor is reacted after 10min with 300W heating using microwaves, standing is cooled to room temperature, and is immersed in 800mL absolute ethyl alcohols
2h, then continues at centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box, at 70 DEG C, is dried to constant weight,
Modified water absorbent gelatin is obtained, it is standby；40g cornstarch is weighed again, in adding 80mL deionized waters, under 35 DEG C of waters bath with thermostatic control, with
400r/min stirring gelatinization 30min, add 4mL epoxychloropropane, are continuously heating to 40 DEG C, and continue stirring reaction 6h, with
After proceed in drying box, be dried 5h at 80 DEG C, obtain modified starch；Then 8g shitosans are weighed, addition 120mL mass fractions are
In 1% acetum, and 20min is stirred with 400r/min, add 30g microsphere silica gels, the above-mentioned modified starches of 30g, prepared by 5g
Modified water absorbent gelatin, 15mL polyvinyl alcohol under 85 DEG C of waters bath with thermostatic control, continues agitating heating 3h, is cooled to room temperature, subsequent mistake
Filter, filter residue is placed in drying box, at 110 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silica gel；By weight finally
Number meter, weighs 30 parts of reduced iron powders, 40 parts of activated carbon powders, 5 parts of above-mentioned high water absorption complex microsphere silica gel, 20 parts of tourmaline powders, and 10
Part wormwood powder, 0.3 part of Moschus is fitted into hermetic bag after being well mixed, and closes one layer of ventilative pressure sensitive adhesive of bonding in one face pressure
Layer, obtains functional form heating patch.
The protection lining paper that functional form heating patch prepared by the present invention has glued membrane one side is stripped down, being attached to needs heating
Or the underwear outer layer at hot compress position, shoulder, back, waist, foot and associated joint position that position can be human body are pasted, make
After being finished, clothing is never stained by gently tearing from clothes.After testing, the functional form heating patch heating that prepared by the present invention
Duration is 17h, and water-taking efficiency is high, and the skin of human body will not be damaged, and with the health-care effect such as promoting blood circulation and removing obstruction in channels.
Example 3
15g gelatin is weighed first, in adding 150mL deionized waters, 25min is stirred with 350r/min, obtain gelatin solution, then weigh
60g NaOH, in adding 150mL acrylic acid, with 350r/min 25min is stirred, and in being subsequently added gelatine solution, then is added
Enter 2.1g potassium peroxydisulfates, 15mL mass fractions are 1%N, and N- methylene-bisacrylamides continue to stir after 12min, obtain mixed liquor；
Above-mentioned mixed liquor is reacted after 7min with 300W heating using microwaves, standing is cooled to room temperature, and is immersed in 700mL absolute ethyl alcohols
1h, then continues at centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box, at 65 DEG C, is dried to constant weight,
Modified water absorbent gelatin is obtained, it is standby；35g cornstarch is weighed again, in adding 60mL deionized waters, under 32 DEG C of waters bath with thermostatic control, with
350r/min stirring gelatinization 25min, add 4mL epoxychloropropane, are continuously heating to 37 DEG C, and continue stirring reaction 6h, with
After proceed in drying box, be dried 4h at 75 DEG C, obtain modified starch；Then 7g shitosans are weighed, addition 110mL mass fractions are
In 1% acetum, and 17min is stirred with 350r/min, add 25g microsphere silica gels, the above-mentioned modified starches of 25g, prepared by 4g
Modified water absorbent gelatin, 12mL polyvinyl alcohol under 82 DEG C of waters bath with thermostatic control, continues agitating heating 3h, is cooled to room temperature, subsequent mistake
Filter, filter residue is placed in drying box, at 107 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silica gel；By weight finally
Number meter, weighs 25 parts of reduced iron powders, 35 parts of activated carbon powders, 4 parts of above-mentioned high water absorption complex microsphere silica gel, 12 parts of tourmaline powders, 7 parts
Wormwood powder, 0.2 part of Moschus, is fitted into hermetic bag after being well mixed, and closes the ventilative pressure sensitive adhesive layer of one layer of bonding in one face pressure,
Obtain functional form heating patch.
The protection lining paper that functional form heating patch prepared by the present invention has glued membrane one side is stripped down, being attached to needs heating
Or the underwear outer layer at hot compress position, shoulder, back, waist, foot and associated joint position that position can be human body are pasted, make
After being finished, clothing is never stained by gently tearing from clothes.After testing, the functional form heating patch heating that prepared by the present invention
Duration is 20h, and water-taking efficiency is high, and the skin of human body will not be damaged, and with the health-care effect such as promoting blood circulation and removing obstruction in channels.
Claims (1)
1. a kind of preparation method of functional form heating patch, it is characterised in that concrete preparation process is：
（1）10～20g gelatin is weighed, in adding 100～200mL deionized waters, 20～30min is stirred with 300～400r/min,
Gelatin solution is obtained, then weighs 40～80g NaOH, in adding 100～200mL acrylic acid, with 300～400r/min 20 are stirred
～30min, in being subsequently added gelatine solution, adds 1.5～3.0g potassium peroxydisulfates, and 10～20mL mass fractions are 1%N,
N- methylene-bisacrylamides, continue to stir after 10～15min, obtain mixed liquor；
（2）Above-mentioned mixed liquor is reacted after 5～10min with 300W heating using microwaves, standing is cooled to room temperature, and it is immersed in 500～
1～2h in 800mL absolute ethyl alcohols, then continues at centrifugation in centrifuge, collects precipitation, and precipitation is placed in drying box,
At 60～70 DEG C, it is dried to constant weight, obtains modified water absorbent gelatin, it is standby；
（3）30～40g cornstarch is weighed, in adding 50～80mL deionized waters, under 30～35 DEG C of waters bath with thermostatic control, with 300
～400r/min stirring 20～30min of gelatinization, add 3～4mL epoxychloropropane, are continuously heating to 35～40 DEG C, and continue
5～6h of stirring reaction, in then continuing at drying box, is dried 3～5h at 70～80 DEG C, obtains modified starch；
（4）Weigh 5～8g shitosans, add 100～120mL mass fractions to be in 1% acetum, and with 300～400r/min
15～20min of stirring, adds 20～30g microsphere silica gels, the above-mentioned modified starches of 20～30g, 3～5g steps（2）What is prepared changes
Property water suction gelatin, 10～15mL polyvinyl alcohol, under 80～85 DEG C of waters bath with thermostatic control, continue 2～3h of agitating heating, be cooled to room
Temperature, subsequently filters, and filter residue is placed in drying box, at 105～110 DEG C, is dried to constant weight, obtains high water absorption complex microsphere silicon
Glue；
（5）Count by weight, weigh 20～30 parts of reduced iron powders, 30～40 parts of activated carbon powders, 3～5 parts of above-mentioned high water absorptions are answered
Microsphere silica gel is closed, 10～20 parts of tourmaline powders, 5～10 parts of wormwood powder, 0.1～0.3 part of Moschus loads hermetic bag after being well mixed
In, and the ventilative pressure sensitive adhesive layer of one layer of bonding is closed in one face pressure, obtain functional form heating patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030347.6A CN106632900A (en) | 2016-11-22 | 2016-11-22 | Method for preparing functional heating patch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030347.6A CN106632900A (en) | 2016-11-22 | 2016-11-22 | Method for preparing functional heating patch |
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| CN106632900A true CN106632900A (en) | 2017-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124862A (en) * | 2018-07-12 | 2019-01-04 | 广州馥邦科技应用有限公司 | A kind of control-release long-acting is defervescence plaster used and preparation method thereof |
| CN114223795A (en) * | 2021-12-21 | 2022-03-25 | 西南科技大学 | Preparation method of probiotic feed for piglets |
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